Who said "Work that does not challenge us does not change us."?

This quote is attributed to Joe Modise.

Work that does not challenge us does not change us. - Joe Modise

"Work that does not challenge us does not change us."

Joe Modise Work

Military Leader, ANC Commander South African 1929–2001

"The only way to do great work is to love what you do."

"Life is what happens when you're busy making other plans."

"The future belongs to those who believe in the beauty of their dreams."

"It is during our darkest moments that we must focus to see the light."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."